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216 Cards in this Set
- Front
- Back
B27 associations
|
psoriatic arthritis
ankylosing spondylitis IBD Reiter's syndrome |
|
B8 associations
|
Grave's disease
Celiac sprue |
|
DR2
|
MS
SLE Goodpastures |
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DR3
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TIDM
Sjogren's |
|
DR4
|
TIDM
Rheumatoid arthritis |
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DR5
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Hashimoto's thyroiditis
Pernicious anemia |
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Bugs that can vary their antigens
|
Borrelia recurrentis
Neisseria gonnorhea Salmonella Trypanosomes |
|
Th cell surf markers
|
TCR
CD3 CD4 CD28 CD40L CTLA-4 |
|
CTL cell surf markers
|
CD3
CD8 TCR |
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B cell surf markers
|
CD19
CD20 MHC II IgM IgD B7 CD40 CR2 |
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Macrophage cell surf markers
|
CD14
MHC II CR1 FcR B7 |
|
NKT cells
|
CD16
CD56 MHC I receptor |
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IL-3
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Secreted by activated Th cells
Similar to GM-CSF |
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IL-6
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Secreted by Th and macrophages
Stims acute phase reactant |
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IL-10
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Secreted by Th2 cells
Stims Th2 cells & inhibs Th1 cells |
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X-linked immune deficiencies
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Bruton's
CGD Wiskott-Aldrich |
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Causes of SCID
|
ADA deficiency
Failure of IL-2 receptor Failure to transduce pre-TCR signal |
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Hyper-IgM syndrome
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Defect in CD40L > can't class switch
|
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Wiskott-Aldrich syndrome
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Infections
Thryombocytopenic purpura Eczema Malignant lymphoma X-linked IgM can't respond to capsular polysacharides |
|
Job's syndrome
|
Can't make IFN-gamma
Cold abscesses, retained primary teath IgE |
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LAD I
|
Can't adhere
Severe pyogenic infections Delayed umbilical separation |
|
LAD II
|
Can't roll
Severe pyogenic infections Delayed umbilical separation |
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Chediak-Higashi syndrome
|
Microtubule defect > lysosomal emptying problems > large granules
Recurrent pyogenic infections Albinism Periph neuropathy |
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Acute rejection cause`
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T cell
|
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Chronic rejection
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Antibodies > fibrinoid necrosis
|
|
Pharmacokinetics:
Half life equation |
t(1/2) = .7 * Vd/CL
Four half-lives = 93% change |
|
Pharmacokinetics:
Maintenance dose |
Md = ([X]p * Cl) / B
Adjust for renal/hepatic dysfunction |
|
Pharmacokinetics:
Loading dose |
LD = ([X]p * Vd) / B
Unchanged in renal/hepatic failure |
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Pharmacokinetics:
Volume of distribution |
Vd = Dose / [X]p
|
|
Drugs with zero-order metabolism
|
Phenytoin, ethanol, high-dose aspirin
|
|
MAC
|
Minimal anesthetic concentration. Increases with decreasing potency/decr lipid solubility of agent
|
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Methoxyflurane & toxicity
|
Inhaled general anesthetic
Nephrotox |
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Ketamine
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Dissociative injectable anesthetic. Cardiovascular stim
|
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Rapid acting benzo
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Midazolam
|
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Rapid acting barbiturate
|
thiopental
|
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Propofol
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IV general anesthetic
|
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Vesamicol
|
Blocks ACh transport into vesicles
|
|
Reserpine
|
Blocks NE transport into vesicles
|
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Hemicholinium
|
Blocks choline (RLS) into cells for ACh synth
|
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Drugs:
Hexamethonium |
Ganglionic (Nn) blocker
|
|
Drugs:
Anti-cholinergic toxicity |
Red as a beet
Blind as a bat Dry as a bone Hot as hell Fast as a hare Mad as a hatter |
|
Drugs:
Cholinesterase poisoning |
Salivation
Lacrimation Urination Defecation Bradycardia Bronchospasm Miosis Sweating |
|
Drugs:
Isoproterenol |
Non-selective beta agonist
|
|
Drugs:
Pheylephrine |
a1 agonist
|
|
Drugs:
Xylometzolone |
a1 agonist > nasal decongestant
|
|
Drugs:
B1 selective beta blockers |
Metoprolol, esmolol, atenolol, acebutalol
|
|
Drugs:
Timolol |
Non-selective beta blocker for glaucoma
|
|
Drugs:
Beta blocker/partial agonists |
PAL:
Pindolol Acebutalol Labetalol |
|
Drugs:
Non-selective beta blockers |
Propanolol, timolol, nadolol, pindolol
|
|
Drug side effects:
Gynecomastia |
Spironolactone
Cimetidine Alcohol Ketokonazole |
|
Drug side effects:
Acute cholestatic hepatitis |
Macrolides
|
|
Drug side effects:
Acute Fanconi syndrome |
Expired tetracycline
|
|
Drug side effects:
Aplastic anemia |
Chloramphenicol
Benzene NSAIDs |
|
Drug side effects:
Agranulocytosis |
Clozapine
Carbamazepine Colchicine |
|
Drug side effects:
Massive hepatic necrosis |
Halothane
Valproic acid Acetominophen |
|
Drug side effects:
Photosensitivity |
Sulfonamides
Amiodarone Tetracycline |
|
Drug side effects:
Lowered seizure threshold |
Buproprion, imipenem/cilastin
|
|
Drug side effects:
P450 inhibitors |
INH
Sulfonamides Cimetidine Ketoconazole Erythromycin Grapefruit |
|
Drug side effects:
P450 inducers |
Quinidine
Barbiturates Phenytoin Rifampin Griseofulvin Carbamazepine |
|
Major mechanism of BP maintenance in hemorrhage
|
Venoconstriction/decr venous capacitance
|
|
Drugs:
Nitroprusside & tox |
Powerful vasodilator
CN and thiocyanate generation Short acting |
|
Milrinone
|
PDE III inhib
|
|
Amiloride
|
Blocks ENaC
|
|
Triamterene
|
Blocks ENaC
|
|
Ibutilide
|
Blocks K+ channel in heart
|
|
Sotalol
|
Blocks K+ channel in heart
|
|
Amiodarone toxicities
|
Liver damage
Pulm fibrosis Hypothyroidism Gray skin deposits |
|
Minoxidil
|
Opens ATP-gated K+ channels in vSMCs
|
|
Hydralazine
|
Opens K+ channels in vSMCs
|
|
Cilostazol
|
PDE III inhib > incr cAMP > vasodilation for claudication
|
|
Class IA antiarrhythmics
|
Quinidine
Procainamide Disopyramide |
|
Class IB antiarrhythmics
|
Lidocaine
Mexiletine |
|
Class IC antiarrhythmics
|
Flecainide
Encaidine |
|
Class III antiarrhythmics
|
Sotalol
Ibutilide |
|
Mechanism of toxicity in ADA deficiency
|
Excess adenosine salvaged to excess dATP, which inhibs ribonucleotide reductase. Lack of NTPs causes SCID
|
|
DNA polymerase types and functions
|
DNA polymerase I: replace RNA primer w/ DNA (5'>3')
DNA polymerase III: 5'>3' synthesis, spell checker, and 3'>5' exonuclease |
|
Most abundant RNA type? Made where in the cell? Made by which RNA polymerase?
|
rRNA made in nucleolus by RNA pol I
|
|
Smallest RNA type? Made by which RNA polymerase?
|
tRNA, RNA pol III
|
|
mRNA is made by which RNA polymearse?
|
RNA polymerase II
|
|
Stop codons?
|
TAG/UAG
TAA/UAA TGA/UGA |
|
Name of protein-coding RNA before processing to mRNA?
|
heternogenous nuclear RNA (hnRNA)
|
|
Location of AA binding to tRNA and sequence?
|
Amino acid binds to 3' end of tRNA where there is always a 5'CCA sequence
|
|
Names of ribosomal tRNA binding sites
|
A: loading site of charged AA-tRNA
P: initial binding site of Met E: empty tRNA |
|
Oubain
|
Inhibs Na+/K+ ATPase
|
|
Dynein
|
Retrograde transport on microtubules, cilia
|
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Kinesin
|
Anterograde transport on microtubules
|
|
Chediak-Higashi syndrome
|
Microtubule polymerization/trafficking defect > defective phagolysosomes
|
|
Roles of lecithin
|
Lecithin = phosphatidylcholine
In myelin, bile, In surfactant as dipalmitoyl phosphatidylcholine Cholesterol esterification via LCAT |
|
Collagen synthesis steps
|
1) Ribosome: preprocollagen synth (Gly-X-Y polymer, X & Y =proline and lysine)
2) ER: Hydroxylation of proline in lysine 3) Golgi: Glycosylation & assembly to procollagen trimer 4) Exocytosis 5) Cleavage of overhangs 6) Cross-linking > collagen fibrils |
|
Diseases assoc w/ berry aneurysm
|
Marfan's
Ehler-Danlos Adult polycystic kidney disease |
|
Vimentin
|
Connective tissue IHC marker
|
|
Desmin
|
Muscle IHC marker
|
|
Aldolase B deficiency
|
Fructose intol: cirrhosis/jaundice, hypoglycemia, vomiting
|
|
Galactose-1-phosphate uridyltransferase deficiency
|
Galactosemia > Cataracts (galactitol), retarded, HSM
|
|
Acetyl CoA fates
|
Acetoacetate > HMG CoA synthase
HMG CoA > HMG CoA lyase >ketones HMG CoA > HMG CoA reductase > mevalonate > cholesterol Acetyl CoA carboxylase > Malonyl CoA > fatty acids Citrate synthase > TCA cycle |
|
Regulation of G6P synthesis
|
Hexokinase: neg feedback by G6P
Glucokinase: lower Km but higher Vmax. Stim'd by insulin |
|
ATP needed for gluconeogenesis to convert two pyruvates into one glucose?
|
6 ATP equivalents
Pyruvate carboxylase PEP carboxykinase (GTP) 3PG > BPG |
|
Regulators of PFK1?
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Inhibs: ATP, citrate
Stims: F-2,6-BP, AMP |
|
Regulators of pyruvate kinase?
|
Inhibs: alanine, ATP
Stims: F-1,6-BP |
|
Regulators of aKG dehydrogenase?
|
Inhibs: ATP, NADH
Stims: ADP |
|
Electron transport chain
|
NADH>C1 and pumped
FADH2>C2, no H+ pumped CoQ C3, H+ pumped Cytochrome C C4, H+ pumped and e- transferred to O2 C5: ATP synthase uses H+ gradient |
|
Oligomycin
|
Poisons ETC ATPase > respiration stops b/c H+ build up
|
|
2,4-DNP
|
Uncouples ETC by allowing proton leak
|
|
Lipoic acid function
|
PDH & aKG dehydrogenase cofactor
|
|
Glutaminase
|
Release NH3 from glutamine to make glutamate
|
|
Glutamate dehydrogenase
|
Release NH3 from glutamate to make a-KG
|
|
Homocystinuria
|
Due to
1) Lack of cystithionine synthase 2) Low B6 affinity of CS 3) Lack of methionine synthase Consequences -Retard -Tall -Lens dislocation -Atherosclerosis>MI/stroke |
|
Alkaptonuria cause & consequence
|
Homogentisic acid oxidase deficiency
Blackened urine Benign unless severe arthralgias |
|
Pompe's disease
|
Lack of lysosomal a1,4-glucosidase
-Cardiomyopathy -Cirrhosis -Muscle weakness |
|
Cori's disease
|
Lack of a1,6-glucosidase debranching enzyme
-Milder version of von Gierke's |
|
von Gierke's disease symptoms
|
Lactic acidosis
Hypoglycemia (severe) Glycogen in liver/hepatomegaly |
|
Hexosaminidase
|
Deficient in Tay-Sachs
-GM2 ganglioside accumulates -Cherry red spot -Onion skin lysosomes - |
|
X-linked lysosomal storage diseases
|
Hunter's disease: iduronate sulfatase (mucopolysacaridase)
Fabry disease: a-galactosidase > ceramide accumulation |
|
Glucocerebrosidase
|
Gaucher's disease > glucocerebroside accum
-Gaucher cells -Bone crises -Femur neccrosis |
|
Sphingomyelinase
|
Nieman-Pick disease > HSM, cherry red spot, foamy macrophages
|
|
ApoA, ApoB, ApoC, and ApoE functions
|
ApoA: activates LCAT
ApoB: binds LDLR ApoC: LPL cofactor ApoE: remnant uptake |
|
LCAT function
|
In HDL
Activated by ApoA Esterifies free cholesterol and traps it in the HDL particle |
|
CETP function
|
Takes cholesterol trapped in HDL by LCAT and transfers it to a VLDL for clearance
|
|
Type I familial dyslipidemia
|
Elevated chylomicrons due to decr LPL or ApoC (LPL cofactor)
|
|
Type IIa familial dyslipidemia
|
Elevated LDL due to LDLR mutation. Autosomal dominant
|
|
Acute intermittent porphyria
|
Lack of uroporphyrinogen I synthase > porphobilinogen accumulation.
|
|
Porphyria symptoms
|
abdominal colic
polyneuropathy pink urine psych +/- skin stuff (itching/photosensitivity) |
|
Pophyria cutanea tarda
|
Accum of uroporphyrinogen III
-Pruritic burning skin -Polyneuropathy -Abd colic -Psych |
|
Lead effects
|
Inhibs ALA dehydratase & ferrochelatase
-Abd colic -Lead lines on gums and bones -Wrist drop -Basophilic stippling of RBCs -Sideroblastic anemia |
|
Ash leaf spots
|
Tuberous sclerosis
-Adenoma sebaceum -Renal angiomyolipoma -Cardiac rhadomyomas -Tubers -Seizures -Retardadtion |
|
Adenoma sebaceum
|
Tuberous sclerosis
-Tubers -Ash leaf spots -Retarded/seizures -Cardiac rhabdomyomas -Renal angiomyolipomas |
|
vHL disease
|
cavernous hemangiomas
hemangioblastomas renal cell CA (bilateral) chromosome 3 |
|
Fragile X symptoms
|
-Retardation
-Long jaw -Large testes -Large ears |
|
Down's associations
|
Acute lymphocytic leukemia
Endocardial cushion defects > septum primum ASD Duodenal atresia |
|
Down's serum markers
|
Incr hCG
Decr AFP Decr unconj estriol Incr nuchal translucency |
|
Patau's syndrome
|
Trisomy 13
|
|
Causes and effects of vitamin B6 deficiency
|
Pyridoxal phosphate
-INH -OCPs Causes convulsions b/c can't make GABA. Also can't make niacin or degrade homocysteine with cystithionine |
|
Causes of vitamin B3 deficiency
|
1) Diet lacking both niacin AND tryptophan
2) Hartnup disease 3) Carcinoid syndrome 4) INH causing vit B6 deficiency |
|
Periplasmic space
|
Between peptidoglycan cell wall & outermembrane in GN bacteria. Houses enzymes, including lactamases
|
|
Bug with no murein in its cell wall
|
Chlamydia
|
|
Bug with abnormal capsule?
|
Bacillus anthracis
Poly-D glutamate instead of polysacharide |
|
Teichoic acid
|
GP surface antigen
|
|
Key component of spore wall
|
Dipicolinic acid
|
|
Bugs w/ IgA proteases
|
Allow colonization of mucosal surfaces by:
S. pneumo Neisseria meningitidis Neisseria gonorrhea Haemophilis influenzae |
|
Novobiocin
|
Differenitate between coagulase negative GPCs:
Staph epidermidis: sensitive Staph saprophyticus: resistant |
|
Bacitracin
|
Distinguish between catalase negative beta-hemolytc GPCs (streptococci):
Strep pyogenes (GAS): sensitive Strep agalactiae (GBS): resistant |
|
Optochin
|
Distinguish between catalase negative, alpha hemolytic GPCs (streptococci)
Sensitive: strep pneumo Resistant: strep viridans |
|
Bacterial salt test
|
Distinguish between catalase negative, gamma hemolytic GPCs:
Sensitive: Group D strep Resistant: Enterococcus |
|
Media for growing gram negatives and distinguish lactose fermentation?
|
MacConkey's agar
|
|
Togaviridae
|
Rubella
EEE VEE |
|
Flaviviridae
|
Yellow fever
Dengue HCV West Nile |
|
Picornaviridae
|
Polio
Echovirus Rhinovirus Coxsackievirus HAV |
|
Reoviridae
|
Rotavirus
Naked dsRNA virus |
|
Paramyxoviridae
|
Parainfluenza
RSV Measles Mumps |
|
Calicivirus
|
HEV
Norwalk |
|
Vancomycin toxicities
|
Red man syndrome (antihistamines, slow infusion)
Nephrotox Ototox |
|
Imipenem toxicity
|
Seizures
|
|
Monobactam antibiotic?
|
Aztreonam
|
|
Methcillin toxicity?
|
Interstitial nephritis
|
|
What antibiotic can't be used with anaerobes and why?
|
Aminoglycosides (gentamycin, neomycin, amikacin, tobramycin, streptomycin) b/c need O2 to get into cell
|
|
VACUUM THe BedRoom
|
Bugs w/ tetracyclines:
Vibrio Acne (proprionobacterium acnes) Chlamydia Ureaplasma urealyticum Mycoplasma Tularemia H. flu Borrelia Rickettsia |
|
Tetracyline class metabolism
|
Doxycycline is fecally eliminated so use it for renal patients
|
|
Capsofungin
|
Inhibs fungal cell wall synthesis>tx of aspergillosis
|
|
Terbinafine
|
Inhibs squalene epoxidase > can't make ergosterol. Used for dermatohytoses b/c accumulates in keratin-containing tissues
|
|
Flucytosine
|
Activated by fungi to 5-FU and then inhibs DNA synth by blocking thymidine synthesis
|
|
Azoles
|
Inhib ergosterol synthesis. Some too toxic for anything except topical use. Inhib P450. Inhib steroid synthesis >
|
|
Amphoteracin mech and tox
|
Mech: binds ergosterol > pores
Tox: shake & bake, nephrotox, arrythmias |
|
Amantadine side effects and targets
|
Ataxia, slurred speech
Flu Rubella (?) Parkinson's |
|
Ribavirin mech, side effects and targets
|
Inhibs GMP synthesis
Teratogen Hemolytic anemia RSV, HCV |
|
Ganciclovir toxicity
|
Pan-myelosuppression
|
|
Day of implantation and what structure implants?
|
Blastocyst implants day 6 post-fertilization
|
|
Typical location of blastocyst implantation in uterus?
|
Posterior superior wall of uterus
|
|
Week heart begins to beat?
|
Week 4
|
|
Diaphragm embrylogolgy
|
Pleuroperitoneal folds (dorsal wall)
Dorsal mesoesophagus Septum tranversum (ventral wall) Body wall |
|
Reportable diseases?
|
B.A. SSSMMART Chicken or you're Gone
HBV HAV Syphilis Salmonella Shigella Measles Mumps AIDS Rubella TB Chickenpox Gonorrhea |
|
Malpractice requrements
|
3Ds: Dereliction of Duty to Damage
|
|
Mature defense mechs?
|
1) Altruism
2) Humor 3) Sublimation 4) Suppression (voluntary) |
|
Muscle histology: lines and bands of skeletal muscle
|
A band: myosin + actin
I band: actin only H band: myosin only M line: myosin fusion line Z line: inter-sarcomere line |
|
Psammomoa bodies
|
Papillary thyroid
Serous cystadenocarcinoma (ovary) Meningioma Mesothelioma |
|
Orphan Annie nuclei
|
Papillary thyroid CA
|
|
Types of thyroid CA
|
Papillary
Follicular Anaplastic Medullary |
|
Normal EF?
|
>55%
|
|
Huntinton's chromosome?
|
Chromosome 4
|
|
What percent reduction in area is required for stable/exertional angina? For "stable" angina at rest?
|
75% narrowing results in exertional angina
90% narrowing results in angina at rest |
|
Interaction with adenosine that inhibits its effect?
|
Methylxanthines
|
|
Enzyme that activates pancreatic trypsinogen once it reaches the lumen? And where is it located?
|
Enterokinase in the brush border
|
|
Hesselbach's triangle borders and why I care
|
Site of direct inguinal hernia
Inferior border: inguinal ligament Lateral border: inferior epigastric Medial border: rectus abdominus |
|
Mechanism of prochlorperizine
|
D2 antag
|
|
Mechanism of scopalamine
|
Anti-cholinergic
|
|
Mechanism of promethazine
|
Anti-histamine > motion sickness drug
|
|
Mechanism of metoclopramide
|
D2 antag
|
|
Types of diverticuli (pulsion vs. traction)
|
Pulsion=false=mucosa herniates through muscularis
Traction=true=all three layers |
|
Pyloric stenosis: classic sign of physical exam, timing, and epidemiologic association
|
Sign: palpable olive
Timing: 2-4 wks Epi: first-born males |
|
Type A gastritis
|
Fundal atrophic/autoimmune gastritis. Achlorhydria, gastric CA
|
|
Type B gastritis
|
H. pylori. Incr gastrin and incr gastric acid.
|
|
Which IBD has granulomas?
|
Crohn's
|
|
Ulcerative colitis manifestations/association outside GI (there are 2)?
|
1) Pyoderma gangrenosum
2) Primary sclerosing cholangitis |
|
Dimenhydrinate
|
Dramamine
Anti-histamine for motion sickness |
|
Substance that dilates afferent arteriole?
|
Prostaglandins
|
|
Free water clearance
|
C(fw) = V - C(osm)
C(fw) = V - [V*U(osm)]/[P(osm)] |
|
MUD PILES
|
Methanol
Uremia Diabetic ketoacidosis Phenacetin INH/iron Lactic acidosis Ethylene glycol Salicylates |
|
Nephrotic syndrome causes in adults vs in children?
|
Kids: minimal change
Adults: membranous glomerulonephritis |
|
WAGR complex
|
Wilms tumor
Aniridia Genitourinary malformations Retardation |
|
Pharmacologic therapy for von Willebrand disease?
|
ddAVP
|
|
V1 receptor function and mech?
V2 receptor function and mech? |
V1 > Gq > vasoconstriction
V2 > Gs > aquaporins |
|
Inhibitor of GH release?
|
Somatostatin
|
|
Effects of PTH
|
1) Activates osteoclasts via osteoblasts > Ca2+ and phosphate release
2) Incr Ca2+ resorb by kidneys (DCT) > decr urinary Ca2+ 3) Decr phosphate resorb by kidneys (PCT) 4) Incr urinary cAMP and phosphate 5) Incr calcitriol (stims 1a-hydroxylase) |
|
Dexamethasone suppression test
|
1) Cortisol suppressed by low dose > normal
2) Cortisol suppressed only by high dose > pituitary ACTH-producing tumor 3) Cortisol not suppressed at any dose > cortisol-producing tumor or ectopic ACTH-producing tumor (small cell lung CA paraneoplstic syndrome) |
|
Syndromes w/ pheochromocytoma
|
MEN II (IIa): w/ medullary thyroid & hyperparathyroid
MEN III (IIb): w/ medullary thyroid, cutaneuous neuromas, & marfanoid habitus Neurofibromatosis vHL |
|
Wermer syndrome
|
MEN type I: pituitary tumor, parathyroid adenoma/hyperplasia, and pancreatic tumors
|
|
Sipple syndrome
|
MEN type II (IIa): Medullary thyroid CA, pheochromocytoma & parathyroid adenoma
|
|
How long does it take to go from spermatogonium to spermatozoon?
|
64 days
|
|
Lynch syndrome
|
1) HNPCC
2) Ovarian CA 3) Endometrial CA |
|
Bernard-Soulier
|
Deficiency of GPIb
|
|
Glanzman's
|
Deficiency of GPIIb/IIIa
|
|
IL-3 function
|
Similar to GM-CSF
|
|
IL-6 function
|
Stims acute phase reaction
|
|
IL-8
|
Chemotactic factor
|
|
Site of AML spread
|
Gums
|
|
Site of ALL spread
|
CNS & testis (need CNS prophylaxis)
|
|
Hairy cell leukemia cell line, serum marker, and treatment?
|
Hairy B cells
Dx: TRAP Rx: 2-chlorodeoxyadenosine |